Is OAuth Really That Difficult or Just a Personal Struggle?

The author, who has worked in the field for over ten years, expresses their persistent difficulty in mastering how OAuth works, particularly its various flows, endpoints, callbacks, and appropriate use cases. They mention that vulnerabilities (CVEs) and bugs related to OAuth implementation in application code remain a source of frustration. While AI has helped simplify understanding the steps, they wonder if other professionals face the same challenges. They acknowledge OAuth’s usefulness but describe it as a complex and recurring topic in their work.